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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a catalyst?
💡 Hint: Think of how a catalyst affects a reaction's speed.
Question 2
Easy
Do catalysts change the energy of products?
💡 Hint: Consider what happens to the energy levels.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the role of a catalyst in a chemical reaction?
- Increase temperature
- Lower activation energy
- Change reactants to products
💡 Hint: Think about what a catalyst does to energy levels.
Question 2
True or False: A catalyst is consumed in the reaction.
- True
- False
💡 Hint: Consider how catalysts are used repeatedly.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A reaction has an activation energy of 50 kJ/mol. A catalyst lowers this to 30 kJ/mol. Calculate the percentage decrease in activation energy.
💡 Hint: Use the formula for percentage decrease.
Question 2
Discuss the importance of catalysts in both biological and industrial contexts, providing specific examples.
💡 Hint: Think of how life processes and industries benefit from catalyzed reactions.
Challenge and get performance evaluation